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Fish & Fisheries

"Fish seem like chummy enough creatures, often schooling with fish they're familiar with to avoid predators and increase the chances of finding a mate. But as carbon dioxide levels rise worldwide, they could lose their ability to recognize each other, in effect becoming "friendless" wanderers who will hang out with just about anybody."

"Protesters gathered to illegally dredge for gold on Tuesday in an Idaho river where such mining is banned, in an open challenge to the U.S. government's authority to regulate public waters and lands in Western states, an organizer said."

"A new census study shows there are more than 2,400 white sharks off California and suggests that existing protective measures should be maintained because they are increasing the size and health of the population."

"'The worry is that if you have reduced swimming performance you're going to be less effective at capturing prey, and less effective in avoiding (predators),' said Martin Grosell, a professor at the University of Miami's Rosenstiel School of Marine and Atmospheric Science."

"ORCAS ISLAND, Wash. — Drew Harvell peers into the nooks and crannies along the rocky shoreline of Eastsound on Orcas Island. Purple and orange starfish clutch the rocks, as if hanging on for dear life. In fact, they are."

"Millions of young rainbow and steelhead trout are being evacuated from California's most productive hatchery complex as summer heat and the state's ongoing drought combine to make the water too warm for them to survive, officials said Tuesday."